Home / 236,680.68-326,631.58-144,771.15

Finding the Fourth Proportional to 236,680.68, 326,631.58 and 144,771.15

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Solution

The fourth proportional to 236,680.68, 326,631.58 and 144,771.15 is: 199,791.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,680.68 : 326,631.58 = 144,771.15 : x
  2. Step 2: Convert to fraction form
    236,680.68/326,631.58 = 144,771.15/x
  3. Step 3: Cross multiply
    236,680.68x = 326,631.58 × 144,771.15
  4. Step 4: Simplify right side
    236,680.68x = 47,286,829,100.99
  5. Step 5: Solve for x
    x = 47,286,829,100.99/236,680.68
  6. Step 6: Final answer
    x = 199,791.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.